.#{$prefix}-p-course-info { 
  display: flex;
  height: calc(100% - 96px);
  .course-content {
    flex: 1;
    min-height: 100%;
    padding: 16px 24px;
    background-color: #fff;
    border-radius: 8px;
    .el-timeline-item__timestamp.is-bottom{
      margin-top: 0 !important;
    }
  } 
  .course-menus {
    overflow: hidden;
    .#{$prefix}-c-menus-mini {
      float: left;
    }
  }
  .lesson-list {
    max-height: calc(100% - 52px);
    margin-top: 16px;
    overflow-y: scroll;
    &::-webkit-scrollbar {
      display: none;
    }
    // padding: 0 24px;
    .el-timeline {
      margin-left: 38px;
    }
    .el-timeline-item {
      padding-bottom: 0;
      & + .el-timeline-item {
        .period-item {
          border-top: 1px solid #F0F0F0;
          cursor: pointer;
        }

      }
      .el-timeline-item__tail {
        top: 50%;
        border-style: dashed;
        border-color: rgba($color: #315BF4, $alpha: 0.3) ;
        z-index: 1;
      }
      .el-timeline-item__dot {
        top: 24px;
        left: -16px;
      }
      .el-timeline-item__wrapper {
        padding-left: 84px;
        margin-left: -38px;
        &:hover {
          background-color: #F6F8FB;
          border-radius: 8px;
        }
      }
    }
    .dot {
      width: 40px;
      height: 40px;
      margin-left: 2px;
      line-height: 40px;
      text-align: center;
      border-radius: 20px;
      background-color: #F5F7FE;
      font-size: 20px;
      color: #315BF4;
      z-index: 2;
    }
    .period-item {
      display: flex;
      justify-content: space-between;
      margin-left: 24px;
      padding: 24px 24px 24px 0;
      // border-bottom: 1px solid #F0F0F0;
      .period-title {
        font-size: 14px;
        font-weight: bold;
        line-height: 22px;
        color: #333333;
      }
      .period-funs {
        margin-top: 8px;
        line-height: 20px;
        font-size: 12px;
        color: #666666;
        .el-icon-document {
          color: #315BF4;
        }
      }
    }
    .period-progress {
      display: flex;
      align-items: center;
      .el-progress__text {
        font-size: 10px !important;
      }
      .el-icon-circle-check {
        font-size: 40px;
        color: #3DBA6D;
      }
    }
  }
  .lesson-content {
    margin-top: 16px;
    line-height: 22px;
    font-size: 14px;
    color: #333;
    max-height: calc(100% - 52px);
    overflow-y: scroll;
    &::-webkit-scrollbar {
      display: none;
    }
  }
  .course-extra {
    width: 516px;
    margin-left: 16px;
    padding: 12px 24px;
    background-color: #fff;
    border-radius: 8px;
    position: relative;
    .course-record {
      width: 100%;
      height: 100%;
      .mod-list{
        height: calc(100% - 48px);
        overflow-y: scroll;
        margin-top: 16px;
        &::-webkit-scrollbar {
          display: none;
        }
      }
      .el-timeline {
        padding-top: 5px;
        .el-timeline-item__tail {
          border-color: #D6DEFD;
        }
        .el-timeline-item {
          padding-bottom: 0;
        }
        .dot {
          position: relative;
          width: 8px;
          height: 22px;
          margin-left: 1px;
          background-color: #fff;
          &::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 8px;
            height: 8px;
            border-radius: 8px;
            background-color: #315BF4;
          }
          &::after {
            content: '';
            position: absolute;
            width: 4px;
            height: 4px;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background-color: #fff;
            border-radius: 8px;
          }
        }
        .exer-item {
          display: flex;
          justify-content: space-between;
          height: 54px;
        }
        .exer-title {
          line-height: 22px;
          font-size: 14px;
          color: #666666;
        }
        .exer-date {
          margin-top: 4px;
          line-height: 20px;
          font-size: 12px;
          color: #999999;
        }
      }
    }
    .mod-title {
      display: flex;
      justify-content: space-between;
      align-items: center;
      .title-inner {
        line-height: 24px;
        font-size: 16px;
        color: #333;
        font-weight: bold;
      }
      .mod-more {
        font-size: 12px;
        color: #999;
        cursor: pointer;
      }
    }
  }
}
